Cape and Islands District, Massachusetts: Democratic loyalist district. In 2024, voted D+25%. Republican peak: R+74 in 1896.
Key facts
- 2024 presidential margin
- D+25MIT Election Lab
- Political archetype
- Democratic loyalistAkashic typology
- Population
- 179,4462024 5-year
- Median household income
- $102,3912024 5-year
- White (non-Hispanic)
- 83.9%2024 5-year
- Black
- 3.3%2024 5-year
- Hispanic / Latino
- 4.7%2024 5-year
- Peak Democratic margin
- D+29 in 2020MIT Election Lab
- Peak Republican margin
- R+74 in 1896MIT Election Lab
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 68,712 | 40,634 | 111,828 | ||
| D | 72,348 | 38,932 | 114,407 | ||
| D | 57,576 | 38,003 | 104,175 | ||
| D | 55,839 | 42,559 | 99,847 | ||
| D | 58,157 | 38,930 | 98,838 | ||
| D | 55,733 | 41,029 | 97,879 | ||
| D | 47,120 | 34,829 | 89,062 | ||
| D | 44,409 | 27,919 | 80,707 | ||
| D | 35,326 | 24,071 | 79,868 | ||
| D | 37,010 | 34,794 | 72,847 | ||
| R | 28,623 | 36,354 | 65,218 | ||
| R | 18,301 | 28,755 | 59,385 | ||
| R | 23,068 | 28,194 | 53,218 | ||
| R | 17,026 | 26,323 | 43,672 | ||
| R | 12,571 | 17,672 | 31,200 | ||
| D | 15,881 | 11,010 | 26,982 | ||
| R | 9,703 | 16,211 | 25,953 | ||
| R | 3,763 | 18,793 | 22,593 | ||
| R | 4,264 | 16,942 | 21,241 | ||
| R | 3,999 | 11,841 | 16,043 | ||
| R | 4,500 | 9,327 | 13,857 | ||
| R | 4,965 | 10,528 | 15,581 | ||
| R | 4,433 | 9,672 | 14,408 | ||
| R | 3,525 | 8,033 | 11,723 | ||
| R | 2,667 | 8,498 | 11,205 | ||
| R | 823 | 6,449 | 7,581 | ||
| R | 1,054 | 5,589 | 6,685 | ||
| R | 1,792 | 2,476 | 4,356 | ||
| O | 1,284 | 1,169 | 4,431 | ||
| R | 752 | 3,007 | 3,973 | ||
| R | 850 | 3,242 | 4,223 | ||
| R | 682 | 3,088 | 3,898 | ||
| R | 474 | 3,946 | 4,677 | ||
| R | 1,312 | 3,321 | 4,809 | ||
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Demographics
Covering Cape Cod, Martha's Vineyard, and Nantucket, this district combines a heavily seasonal population with a year-round base that skews older and white — and has backed Democratic presidential candidates by wide margins for decades.
The Democratic margin in Cape and Islands District reached its widest at twenty-nine points in 2020. The margin in 2024 was twenty-five points — still decisive.
Its loyalty is rooted in its place. Median household income of $102,391, a 84% non-Hispanic-white share, and a population of 179,446 together describe a district whose political habits are deeply settled.
Compare two places, side by side
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Cape and Islands District, Massachusetts. Akashic. https://akashic.app/sld-upper/25D40/. Accessed May 20, 2026. License: CC BY 4.0.